package com.luoran.system.controller;

import java.io.IOException;
import java.net.URLEncoder;
import java.util.List;

import cn.hutool.core.date.DateUtil;
import cn.hutool.core.lang.tree.Tree;
import cn.hutool.core.lang.tree.TreeNodeConfig;
import cn.hutool.core.lang.tree.TreeUtil;
import com.alibaba.excel.EasyExcel;
import com.luoran.common.core.utils.PrimaryKeyIdUtils;
import com.luoran.common.core.utils.poi.ExcelUtil;
import com.luoran.system.domain.vo.MenuVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import com.luoran.common.core.constant.Constants;
import com.luoran.common.core.constant.UserConstants;
import com.luoran.common.core.utils.SecurityUtils;
import com.luoran.common.core.utils.StringUtils;
import com.luoran.common.core.web.controller.BaseController;
import com.luoran.common.core.web.domain.AjaxResult;
import com.luoran.common.log.annotation.Log;
import com.luoran.common.log.enums.BusinessType;
import com.luoran.common.security.annotation.PreAuthorize;
import com.luoran.system.domain.SysMenu;
import com.luoran.system.service.ISysMenuService;

import javax.servlet.http.HttpServletResponse;

/**
 * 菜单信息
 *
 * @author guohailong
 */
@RestController
@RequestMapping("/menu")
public class SysMenuController extends BaseController {
    @Autowired
    private ISysMenuService menuService;

    /**
     * 获取菜单列表
     */
    @PreAuthorize(hasPermi = "system:menu:list")
    @GetMapping("/list")
    public AjaxResult list(SysMenu menu) {
        Long userId = SecurityUtils.getUserId();
        List<SysMenu> menus = menuService.selectMenuList(menu, userId);
        return AjaxResult.success(menus);
    }

    /**
     * 根据菜单编号获取详细信息
     */
    @PreAuthorize(hasPermi = "system:menu:query")
    @GetMapping(value = "/{menuId}")
    public AjaxResult getInfo(@PathVariable Long menuId) {
        return AjaxResult.success(menuService.selectMenuById(menuId));
    }

    /**
     * 获取菜单下拉树列表
     */
    @GetMapping("/treeselect")
    public AjaxResult treeselect(SysMenu menu) {
        Long userId = SecurityUtils.getUserId();
        List<SysMenu> menus = menuService.selectMenuList(menu, userId);
        return AjaxResult.success(menuService.buildMenuTreeSelect(menus));
    }

    /**
     * 加载对应角色菜单列表树
     */
    @GetMapping(value = "/roleMenuTreeselect/{roleId}")
    public AjaxResult roleMenuTreeselect(@PathVariable("roleId") Long roleId) {
        Long userId = SecurityUtils.getUserId();
        List<SysMenu> menus = menuService.selectMenuList(userId);
        AjaxResult ajax = AjaxResult.success();
        ajax.put("checkedKeys", menuService.selectMenuListByRoleId(roleId));
        ajax.put("menus", menuService.buildMenuTreeSelect(menus));
        return ajax;
    }

    /**
     * 新增菜单
     */
    @PreAuthorize(hasPermi = "system:menu:add")
    @Log(title = "菜单管理", businessType = BusinessType.INSERT)
    @PostMapping
    public AjaxResult add(@Validated @RequestBody SysMenu menu) {
        if (UserConstants.NOT_UNIQUE.equals(menuService.checkMenuNameUnique(menu))) {
            return AjaxResult.error("新增菜单'" + menu.getMenuName() + "'失败，菜单名称已存在");
        } else if (UserConstants.YES_FRAME.equals(menu.getIsFrame())
                && !StringUtils.startsWithAny(menu.getPath(), Constants.HTTP, Constants.HTTPS)) {
            return AjaxResult.error("新增菜单'" + menu.getMenuName() + "'失败，地址必须以http(s)://开头");
        }
        menu.setMenuId(PrimaryKeyIdUtils.getSysIdWorker().nextId());
        menu.setCreateBy(SecurityUtils.getUsername());
        return toAjax(menuService.insertMenu(menu));
    }

    /**
     * 修改菜单
     */
    @PreAuthorize(hasPermi = "system:menu:edit")
    @Log(title = "菜单管理", businessType = BusinessType.UPDATE)
    @PutMapping
    public AjaxResult edit(@Validated @RequestBody SysMenu menu) {
        if (UserConstants.NOT_UNIQUE.equals(menuService.checkMenuNameUnique(menu))) {
            return AjaxResult.error("修改菜单'" + menu.getMenuName() + "'失败，菜单名称已存在");
        } else if (UserConstants.YES_FRAME.equals(menu.getIsFrame())
                && !StringUtils.startsWithAny(menu.getPath(), Constants.HTTP, Constants.HTTPS)) {
            return AjaxResult.error("修改菜单'" + menu.getMenuName() + "'失败，地址必须以http(s)://开头");
        } else if (menu.getMenuId().equals(menu.getParentId())) {
            return AjaxResult.error("修改菜单'" + menu.getMenuName() + "'失败，上级菜单不能选择自己");
        }
        menu.setUpdateBy(SecurityUtils.getUsername());
        return toAjax(menuService.updateMenu(menu));
    }

    /**
     * 删除菜单
     */
    @PreAuthorize(hasPermi = "system:menu:remove")
    @Log(title = "菜单管理", businessType = BusinessType.DELETE)
    @DeleteMapping("/{menuId}")
    public AjaxResult remove(@PathVariable("menuId") Long menuId) {
        if (menuService.hasChildByMenuId(menuId)) {
            return AjaxResult.error("存在子菜单,不允许删除");
        }
        if (menuService.checkMenuExistRole(menuId)) {
            return AjaxResult.error("菜单已分配,不允许删除");
        }
        return toAjax(menuService.deleteMenuById(menuId));
    }

    /**
     * 获取路由信息
     *
     * @return 路由信息
     */
    @GetMapping("getRouters")
    public AjaxResult getRouters() {
        Long userId = SecurityUtils.getUserId();
        List<SysMenu> menus = menuService.selectMenuTreeByUserId(userId);
        return AjaxResult.success(menuService.buildMenus(menus));
    }

    /**
     * hutool树型菜单
     * @param menu
     * @return
     */
    @GetMapping("/list1")
    public AjaxResult list1(SysMenu menu){
        List<SysMenu> sysMenus = menuService.selectMenuList1(menu);
        TreeNodeConfig treeNodeConfig = new TreeNodeConfig();
        List<Tree<String>> treeList = TreeUtil.<SysMenu, String>build(sysMenus, "0", treeNodeConfig,
                (treeNode, tree) -> {
                    tree.setId(treeNode.getMenuId() + "");
                    tree.setParentId(treeNode.getParentId() + "");
                    tree.setName(treeNode.getMenuName());
                    //扩展
                    tree.putExtra("icon", treeNode.getIcon());
                    tree.putExtra("path", treeNode.getPath());
                    tree.putExtra("component", treeNode.getComponent());
                    tree.putExtra("status",treeNode.getStatus());
                    String created = DateUtil.format(treeNode.getCreateTime(), "yyyy-MM-dd HH:mm:ss");
                    tree.putExtra("createTime",created);
                    tree.putExtra("pic",treeNode.getPic());
                });
        return AjaxResult.success(treeList);
    }


    /**
     * 导出菜单列表
     * @param response
     * @throws IOException
     */
    @RequestMapping("/outEasyExcel")
    public void outEasyExcel(HttpServletResponse response,SysMenu menu) throws IOException {
        String fileName = URLEncoder.encode("菜单信息", "UTF-8").replaceAll("\\+", "%20");
        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
        response.setHeader("Content-disposition", "attachment;filename*=utf-8''" + fileName + ".xlsx");
        List<SysMenu> list = menuService.selectMenuList1(menu);
        EasyExcel.write(response.getOutputStream(), SysMenu.class).writeExcelOnException(true).sheet("菜单信息").doWrite(list);
    }


    /**
     * 导出菜单列表自带的
     * @param response
     * @param menu
     * @throws IOException
     */
    @PostMapping("/test22")
    public void outExcel(HttpServletResponse response,SysMenu menu) throws IOException {
        List<SysMenu> list = menuService.selectMenuList1(menu);
        ExcelUtil<SysMenu> util = new ExcelUtil<SysMenu>(SysMenu.class);
        util.exportExcel(response,list,"菜单信息");
    }


    /**
     * 树状图
     * @return
     */
    @GetMapping("/showEcharts")
    public AjaxResult showEcharts(){
        List<MenuVo> list = menuService.selectMenuEchar();
        return AjaxResult.success(list);
    }

    /**
     * 饼状图
     * @return
     */
    @GetMapping("/showEchartsYuan")
    public AjaxResult showEchartsYuan(){
        List<MenuVo> list = menuService.showEchartsYuan();
        return AjaxResult.success(list);
    }

    /**
     * 获取菜单下拉树列表
     */
    @GetMapping("/list2")
    public AjaxResult list2(SysMenu menu){
        TreeNodeConfig treeNodeConfig = new TreeNodeConfig();
        treeNodeConfig.setIdKey("id");
        treeNodeConfig.setNameKey("name");
        treeNodeConfig.setDeep(3);
        treeNodeConfig.setParentIdKey("parentId");
        treeNodeConfig.setChildrenKey("children");
        List<SysMenu> list = menuService.selectMenuList1(menu);
        List<Tree<String>> build = TreeUtil.build(list, "0", treeNodeConfig,
                (treeNode, tree) -> {
            tree.setId(treeNode.getMenuId() + "");
            tree.setName(treeNode.getMenuName());
            tree.setParentId(treeNode.getParentId() + "");
            //扩展字段
            tree.putExtra("icon",treeNode.getIcon());
            tree.putExtra("path",treeNode.getPath());
            tree.putExtra("status",treeNode.getStatus());
            String format = DateUtil.format(treeNode.getCreateTime(), "yyyy-MM-dd HH:mm:ss");
            tree.putExtra("createTime",format);
        });

        return AjaxResult.success(build);
    }








}